from collections import OrderedDict
from django.conf import settings
from django.template import loader
import os
import time

from apps.goods.models import GoodsChannel
from .models import ContentCategory

# def index(request):
#
#     generate_static_index_html()


def generate_static_index_html():
    """
    生成静态的主页html文件
    """
    print("%s: generate_static_index_html" % time.ctime())
    # 商品频道及分类菜单
    # 使用有序字典保存类别的顺序
    # categories = {
    #     1: { # 组1
    #         'channels': [{'id':, 'name':, 'url':},{}, {}...],
    #         'sub_cats': [{'id':, 'name':, 'sub_cats':[{},{}]}, {}, {}, ..]
    #     },
    #     2: { # 组2
    #
    #     }
    # }
    categories = OrderedDict()
    channels = GoodsChannel.objects.order_by("group_id", "sequence")
    for channel in channels:
        group_id = channel.group_id  # 当前组

        if group_id not in categories:
            categories[group_id] = {"channels": [], "sub_cats": []}

        cat1 = channel.category  # 当前频道的类别

        # 追加当前频道
        categories[group_id]["channels"].append(
            {"id": cat1.id, "name": cat1.name, "url": channel.url}
        )
        # 构建当前类别的子类别
        for cat2 in cat1.goodscategory_set.all():
            cat2.sub_cats = []
            for cat3 in cat2.goodscategory_set.all():
                cat2.sub_cats.append(cat3)
            categories[group_id]["sub_cats"].append(cat2)

    # 广告内容
    contents = {}
    content_categories = ContentCategory.objects.all()
    for cat in content_categories:
        contents[cat.key] = cat.content_set.filter(status=True).order_by("sequence")

    # 渲染模板
    context = {"categories": categories, "contents": contents}  # 商品频道数据  # 广告数据
    # 加载模板文件
    template = loader.get_template("index.html")
    # 渲染模板
    html_text = template.render(context)
    file_path = os.path.join(settings.GENERATED_STATIC_HTML_FILES_DIR, "index.html")
    with open(file_path, "w", encoding="utf-8") as f:
        f.write(html_text)
